Every "what's the cheapest model? " thread online is people trading vibes. I got tired of it, so I built a pipeline that pulls live, cited prices and runs the numbers through an exact-rational math kernel — no floating-point drift, no LLM hallucinating a multiplication.

Source: [Dev.to](https://dev.to/copyleftdev/the-ai-cost-modeling-handbook-i-let-claude-do-the-modeling-but-never-the-arithmetic-3h95)

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